<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true" :model="search">
        <el-form-item>
          <el-input v-model="search.key" placeholder="员工名称"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="queryData">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表-->
    <el-table :data="pageInfo.data" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="username" label="员工账号" width="120" sortable>
      </el-table-column>
      <el-table-column prop="password" label="员工密码" width="120" sortable>
      </el-table-column>
      <el-table-column prop="email" label="电子邮箱" width="180" sortable>
      </el-table-column>
      <el-table-column prop="headImage" label="头像" width="180" sortable>
      </el-table-column>
      <el-table-column prop="age" label="员工年龄" width="120" sortable>
      </el-table-column>
      <el-table-column prop="department.name" label="所属部门" width="120" sortable>
      </el-table-column>

      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" @click="handleSave(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <!--
          el-pagination 表示分页
          @size-change : 每页条数改变的时候会触发的方法
          @current-change: 当页数改变的时候
          :current-page: 绑定当前页数据
          :page-sizes="[100, 200, 300, 400]" : 每页多少条的选择
          :page-size="100" 每页的条数
          :total="400" 总条数
          layout="total, sizes, prev, pager, next, jumper"
     -->
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="search.currentPage"
          :page-sizes="[10, 20]"
          :page-size="100"
          style="float: right"
          layout="total, sizes, prev, pager, next, jumper"
          :total="pageInfo.total">
      </el-pagination>

    </el-col>


    <!--新增和修改界面-->
    <el-dialog title="新增" :visible.sync="saveFormVisible" :close-on-click-modal="false">
      <el-form :model="saveForm" label-width="80px" ref="addForm">
        <el-form-item label="员工账号" prop="username">
          <el-input v-model="saveForm.username" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="员工密码" prop="password">
          <el-input v-model="saveForm.password" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="电子邮箱" prop="email">
          <el-input v-model="saveForm.email" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="头像" prop="headImage">
          <el-input v-model="saveForm.headImage" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="员工年龄" prop="age">
          <el-input v-model="saveForm.age" auto-complete="off"></el-input>
        </el-form-item>
        <!--:options="deptTree":后台查出来的父部门即其子部门数据
            :props="{  自定义规则
            label:'name' 显示的为部门名
        -->
        <el-form-item label="所属部门">
          <el-cascader v-model="saveForm.department"
                       :options="deptTree"
                       :props="{
							   checkStrictly: true,
							   label:'name',
							   value:'id'
							}"
                       clearable></el-cascader>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="addFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="addSubmit" >提交</el-button>
      </div>
    </el-dialog>
  </section>
</template>

<script>

export default {
  data() {
    return {

      deptTree:[],  //后台查出来的父部门即其子部门数据

      search: {
        key: '',
        pageSize:10,
        currentPage:1
      },
      pageInfo:{
        data: [],
        total: 0,
      },

      listLoading: false,
      sels: [],//列表选中列

      saveFormVisible:false,
      saveForm:{
        id:null,
        username:"",
        password:"",
        email:"",
        headImage:"",
        department:{
          id:null,
          name:"",
        }
      }

    }
  },
  methods: {

    //获取部门树
    getDeptTree(){
      //发送请求
      this.$http.get("/department/deptTree")
          .then(res =>{
            res = res.data
            if(res.success){
              this.deptTree = res.data;
            }
          })
          .catch(res =>{})
    },

    // 点击新增
    handleAdd(){
      this.saveFormVisible = true; //显示弹出框
      this.saveForm= {
        id:null,
        username:"",
        password:"",
        email:"",
        headImage:"",
        department:{
          id:null,
          name:"",
        }
      }
      //调用查询部门树的方法
      this.getDeptTree();
    },

    // 点击查询的方法
    queryData(){
      this.search.currentPage = 1
      this.getEmployees()
    },

    // 每页条数变动的时候
    handleSizeChange(val) {
      console.log(`每页 ${val} 条`);
      this.search.pageSize = val
      this.getEmployees()
    },

    //性别显示转换
    formatSex: function (row, column) {
      return row.sex == 1 ? '男' : row.sex == 0 ? '女' : '未知';
    },

    handleCurrentChange(val) {
      // val 指的是当前的页数
      this.search.currentPage = val;
      this.getEmployees();
    },

    //获取用户列表
    getEmployees() {
      this.listLoading=true;
      this.$http.post("/employee",this.search)
          .then(res=>{
            this.listLoading=false;
            res = res.data;
            console.log(res)
            if(res.success){
              // this.departments = res.data.data
              // this.total = res.data.total
              this.pageInfo = res.data //将查出的数据总数和数据赋给pageInfo，进而给列表传数据并显示
            }
          })
          .catch(res=>{})
      // this.listLoading = true;
    },

    //删除
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示', {
        type: 'warning'
      }).then(() => {  //点击确认
        this.listLoading = true;
        this.$http.delete("/employee/"+row.id)  //发送删除请求，并传id
            .then(res=>{
              res = res.data
              this.listLoading = false;  //加载框消失
              if(res.success){
                this.$message({type:"success",message:"删除成功"});
              }else{
                this.$message.error("删除失败"+res.msg)
              }
              this.search.currentPage= 1; //删完回到第一页
              this.getEmployees();  //重新查询
            })
            .catch(res=>{})

      }).catch(() => {

      });
    },


    //显示新增和修改界面
    handleSave: function (index,row) {
      this.saveFormVisible = true;
      console.log(row);
      this.saveForm = JSON.parse(JSON.stringify(row)); //数据回显,深拷贝
      //所属部门回显
      var split = row.department.path.split("/");
      console.log(split)
      var data = []
      for (let i = 1; i < split.length; i++) {
        data.push(Number.parseInt(split[i]))
      }
      console.log(data)
      this.saveForm.department = data;

      //判断所属部门 是否为空
      // if(!row.department){
      //   this.saveForm.department={
      //     id:null,
      //     name:""
      //   }
      // }


      //调用查询部门树的方法
      this.getDeptTree();
    },


    //新增和修改的提交按钮
    addSubmit: function () {
      this.$refs.addForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {

            //NProgress.start();
            let para = Object.assign({}, this.saveForm); //获取输入框的值

            //判断所属部门
            var depart = para.department;
            if (depart.length >= 0){
              if (depart.length==0){
                para.department={id:null,name:""}
              }else{
                para.department={id:depart[depart.length-1],name:""}
              }
            }

            //发送请求
            this.$http.put("/employee",para)
                .then(res =>{
                  this.saveFormVisible = false; //关闭弹出框
                  this.$message({type:"success",message:"保存成功"});
                  this.getEmployees() //重新查询
                })
                .catch(res =>{

                })

          });
        }
      });
    },
    selsChange: function (sels) {
      this.sels = sels;
    },

    //批量删除
    batchRemove: function () {
      var ids = this.sels.map(item => item.id);
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => { //点击确认
        this.listLoading = true;
        //发送请求
        this.$http.patch("/employee",ids)  //发送删除请求，并传id
            .then(res=>{
              res = res.data
              this.listLoading = false;  //加载框消失
              if(res.success){
                this.$message({type:"success",message:"删除成功"});
              }else{
                this.$message.error("删除失败"+res.msg)
              }
              this.search.currentPage= 1; //删完回到第一页
              this.getEmployees();  //重新查询
            })
            .catch(res=>{})

      }).catch(() => {

      });
    }
  },
  mounted() {
    this. getEmployees();
  }
}

</script>

<style scoped>

</style>